In the 1960s and 70s, a group of chimpanzees astonished the world by learning sign language. Only two remain and one question ...

Primates of all stripes really love their crystals. Archeologists have found the shiny rocks at dig sites dating back as long ...

Crystals have repeatedly been found at archaeological sites alongside Homo remains. Evidence shows that hominins have been collecting these stones for as long as 780,000 years. Yet, we know that our ...

The study suggests that both humans and chimpanzees possess a “shared cognitive predisposition” for crystals. Whenever such a ...

A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans. When circumstances or evidence change, chimps appear to do the thing ...

The crystal chimp study, published on Wednesday in the journal Frontiers in Psychology, was an attempt to understand what about the shimmering minerals is so attractive to the apes’ closest cousins, ...

Human communication is a complex weave of words and gestures — a mix of vocal and visual signals. "People use vocal and visual communication in a very rich and combined way," says Joseph Mine, a ...